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Finding the Fourth Proportional to 362,839.54, 544,308.58 and 126,151.60

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Solution

The fourth proportional to 362,839.54, 544,308.58 and 126,151.60 is: 189,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,839.54 : 544,308.58 = 126,151.60 : x
  2. Step 2: Convert to fraction form
    362,839.54/544,308.58 = 126,151.60/x
  3. Step 3: Cross multiply
    362,839.54x = 544,308.58 × 126,151.60
  4. Step 4: Simplify right side
    362,839.54x = 68,665,398,260.73
  5. Step 5: Solve for x
    x = 68,665,398,260.73/362,839.54
  6. Step 6: Final answer
    x = 189,244.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.